I did set maximum loss stop 7%. but why my backtest report show %profit > -7%.???
There are many situations when your losses will be bigger than stop loss. One of most often is when you have GAP on OPEN. When prices gap on open more than you stop loss is set to, the trade will be closed at open price which will result in loss bigger than stop loss.
Even markets that operate 24-hours per day (such as forex) can experience that because those markets can open on Monday gap (after weekend).